33320220100 has 36 divisors (see below), whose sum is σ = 72316910484. Its totient is φ = 13325870080.

The previous prime is 33320220071. The next prime is 33320220119. The reversal of 33320220100 is 102202333.

It can be written as a sum of positive squares in 6 ways, for example, as 5961075264 + 27359144836 = 77208^2 + 165406^2 .

It is a super-2 number, since 2×33320220100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 661404 + ... + 709996.

It is an arithmetic number, because the mean of its divisors is an integer number (2008803069).

Almost surely, 2^33320220100 is an apocalyptic number.

It is an amenable number.

33320220100 is an abundant number, since it is smaller than the sum of its proper divisors (38996690384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33320220100 is a wasteful number, since it uses less digits than its factorization.

33320220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55464 (or 55457 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33320220100 its reverse (102202333), we get a palindrome (33422422433).

The spelling of 33320220100 in words is "thirty-three billion, three hundred twenty million, two hundred twenty thousand, one hundred".